... oxyacetylene welding outfit氧乙炔气焊机 oxygen welding氧焊; 氧气焊接 oxyhydrogen welding氢氧焊; 氢氧焰焊接 ...
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oxygen acetylene weld 氧乙炔焰喷焊
The results indicate that argon shielding can reduce the nitrogen content but not influence that of oxygen in the weld metal.
结果表明，采用氩气保护使焊缝金属中的氮含量减少，而对氧含量的影响则不大；
Many researches in recent years show that the effects of oxygen on weld microstructure and toughness are very obvious.
近年来，许多研究都表明：与合金元素一样，氧对焊缝显微组织和韧性的影响亦十分显著。
Decreasing welding thermal input will decrease the oxygen content and the number and size of oxide inclusions, and it improves the toughness of weld metal.
降低焊接线能量时，将降低熔敷金属中的氧含量及其氧化夹杂物的数量和大小，从而提高熔敷金属的韧性。
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